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Structure and adhesion properties of acrylic acid grafted high‐density polyethylene powders synthesized by a novel photografting method
Author(s) -
Cao Zheng,
Lei Jingxin,
Zhang Wenbing
Publication year - 2008
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.28305
Subject(s) - high density polyethylene , photografting , materials science , polyethylene , fourier transform infrared spectroscopy , contact angle , acrylic resin , composite material , acrylic acid , polymerization , adhesive , scanning electron microscope , monomer , adhesion , polymer chemistry , chemical engineering , polymer , coating , layer (electronics) , engineering
A novel photografting, nonvapor, and nonliquid phase living graft polymerization was developed to functionalize high‐density polyethylene (HDPE) powder. The structure and adhesion properties of HDPE powder grafted with acrylic acid (AA) were studied by Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), water contact angle, peel strength, and graft degree measurements. The result shows that HDPE powder can be grafted with AA via the method with a short reaction time and a high monomer conversion. The graft degree increases with the reaction time. Then, the hydrophilicity of the grafted HDPE powder increases also. The peel strength of HPDE/steel joint improved significantly when acrylic acid grafted HPDE powder was used as hot melt adhesive in place of ungrafted HDPE powder. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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